Mathematics, 20.09.2020 18:01 mathlady12
Explain how the commutative and associative properties of multiplication can help you evaluate the product 5 • 17 • 2 mentally.
Answers: 2
Mathematics, 21.06.2019 23:40
Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.
Answers: 2
Mathematics, 22.06.2019 03:30
Breana is selling tickets to a choral performance. on the first day of ticket sales , she sold 3 senior citizen tickets and 1 child ticket for a total of $38. breana took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. what is the price of a senior citizen ticket?
Answers: 1
Mathematics, 22.06.2019 03:50
Suppose medical records indicate that the length of newborn babies (in inches) is normally distributed with a mean of 20 and a standard deviation of 2.6. find the probability that a given infant is between 14.8 and 25.2 inches long.
Answers: 3
Mathematics, 22.06.2019 04:30
The population in a city is modeled by the equation p(d)= 100,000*(1+0.3) where d is the number of decades since 1970
Answers: 1
Explain how the commutative and associative properties of
multiplication can help you evaluate the...
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